// Client-safe description of the health tables: used by the forms on /trackers/health
// and by the server-side validator in #lib/server/health-import.ts. Keys are the
// snake_case column names, which are also the import (JSON/CSV) field names.

export type FieldType =
	'date' | 'text' | 'textarea' | 'integer' | 'number' | 'datetime' | 'select' | 'uuid';

export type Field = {
	key: string;
	label: string;
	type: FieldType;
	required?: boolean;
	options?: readonly string[];
	min?: number;
	max?: number;
	step?: number;
	maxLength?: number;
	placeholder?: string;
};

export const medicationKinds = ['medication', 'supplement'] as const;
export const appointmentTypes = [
	'appointment',
	'checkup',
	'condition',
	'test',
	'procedure',
	'other'
] as const;

const notes: Field = { key: 'notes', label: 'Notes', type: 'textarea', maxLength: 4000 };
const date: Field = { key: 'date', label: 'Date', type: 'date', required: true };

export const healthTables = {
	vaccinations: {
		label: 'Vaccinations',
		fields: [
			{ key: 'vaccine', label: 'Vaccine', type: 'text', required: true, maxLength: 200 },
			{ key: 'target', label: 'Disease / target', type: 'text', maxLength: 200 },
			{ key: 'dose_no', label: 'Dose no.', type: 'integer', min: 1, max: 20 },
			date,
			{ key: 'batch_lot', label: 'Batch / lot', type: 'text', maxLength: 100 },
			{ key: 'provider', label: 'Provider', type: 'text', maxLength: 200 },
			{
				key: 'country',
				label: 'Country (ISO code)',
				type: 'text',
				maxLength: 2,
				placeholder: 'NL'
			},
			notes
		]
	},
	body_measurements: {
		label: 'Body measurements',
		fields: [
			date,
			{ key: 'weight_kg', label: 'Weight (kg)', type: 'number', min: 20, max: 400, step: 0.01 },
			{
				key: 'waist_cm',
				label: 'Waist at navel (cm)',
				type: 'number',
				min: 30,
				max: 250,
				step: 0.1
			},
			{ key: 'body_fat_pct', label: 'Body fat (%)', type: 'number', min: 1, max: 75, step: 0.1 },
			notes
		]
	},
	workouts: {
		label: 'Workouts',
		fields: [
			date,
			{ key: 'exercise', label: 'Exercise', type: 'text', required: true, maxLength: 200 },
			{ key: 'sets', label: 'Sets', type: 'integer', min: 1, max: 100 },
			{ key: 'reps', label: 'Reps (per set)', type: 'integer', min: 0, max: 1000 },
			{ key: 'load_kg', label: 'Load (kg)', type: 'number', min: 0, max: 1000, step: 0.25 },
			{ key: 'rpe', label: 'RPE', type: 'number', min: 1, max: 10, step: 0.5 },
			{ key: 'session_id', label: 'Session id (optional)', type: 'uuid' },
			notes
		]
	},
	nutrition_daily: {
		label: 'Nutrition',
		fields: [
			date,
			{ key: 'kcal', label: 'kcal', type: 'integer', min: 0, max: 20000 },
			{ key: 'protein_g', label: 'Protein (g)', type: 'number', min: 0, max: 1000, step: 0.1 },
			notes
		]
	},
	sleep: {
		label: 'Sleep',
		fields: [
			{ ...date, label: 'Date (wake-up day)' },
			{ key: 'bedtime', label: 'Bedtime', type: 'datetime', required: true },
			{ key: 'wake_time', label: 'Wake time', type: 'datetime', required: true },
			notes
		]
	},
	medications: {
		label: 'Medications & supplements',
		fields: [
			{ key: 'name', label: 'Name', type: 'text', required: true, maxLength: 200 },
			{ key: 'kind', label: 'Kind', type: 'select', options: medicationKinds },
			{ key: 'dose', label: 'Dose', type: 'text', maxLength: 200, placeholder: '1 mg' },
			{ key: 'frequency', label: 'Frequency', type: 'text', maxLength: 200, placeholder: 'daily' },
			{ key: 'start_date', label: 'Start date', type: 'date' },
			{ key: 'stop_date', label: 'Stop date', type: 'date' },
			notes
		]
	},

	appointments: {
		label: 'Appointments & conditions',
		fields: [
			date,
			{ key: 'type', label: 'Type', type: 'select', options: appointmentTypes },
			{ key: 'provider', label: 'Provider', type: 'text', maxLength: 200 },
			notes
		]
	}
} as const satisfies Record<string, { label: string; fields: readonly Field[] }>;

export type HealthTable = keyof typeof healthTables;
export const healthTableNames = Object.keys(healthTables) as HealthTable[];
export const isHealthTable = (value: unknown): value is HealthTable =>
	typeof value === 'string' && Object.hasOwn(healthTables, value);